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Poly[[diaqua-bis-{?-4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoato-?(2) O:N (1')}copper(II)] dimethyl-formamide tetra-solvate].

ABSTRACT: In the title compound, {[Cu(C24H15N2O4)2(H2O)2]·4C3H7NO} n , the Cu(II) ion, lying on an inversion center, is six-coordinated by two N atoms from two 4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoate (L) ligands, two deprotonated carboxyl-ate O atoms from two other symmetry-related L ligands and two water mol-ecules in a slightly distorted octa-hedral geometry. The Cu(II) atoms are linked by the bridging ligands into a layer parallel to (101). The presence of intra-layer O-H?O hydrogen bonds and ?-? inter-actions between the pyridine and benzene rings [centroid-centroid distances = 3.808?(2) and 3.927?(2)?Å] stabilizes the layer. Further O-H?O hydrogen bonds link the layers and the dimethyl-formamide solvent mol-ecules.

SUBMITTER: Sun Y

PROVIDER: S-EPMC3629482 | biostudies-literature | 2013 Apr

REPOSITORIES: biostudies-literature

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Poly[[diaqua-bis-{μ-4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoato-κ(2) O:N (1')}copper(II)] dimethyl-formamide tetra-solvate].

Sun Yabin Y Song E E Wang Daguang D

Acta crystallographica. Section E, Structure reports online 20130313 Pt 4

In the title compound, {[Cu(C24H15N2O4)2(H2O)2]·4C3H7NO} n , the Cu(II) ion, lying on an inversion center, is six-coordinated by two N atoms from two 4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoate (L) ligands, two deprotonated carboxyl-ate O atoms from two other symmetry-related L ligands and two water mol-ecules in a slightly distorted octa-hedral geometry. The Cu(II) atoms are linked by the bridging ligands into a layer parallel to (101). The presence of intra-layer O-H⋯O hydrogen bond ...[more]

PMID: 23634000

Similar Datasets

Poly[[diaqua-bis-{?-4-[6-(4-carboxyphenyl)-4,4'-bipyridin-2-yl]benzoato-?(2)O:N(4')}zinc] dimethyl-formamide tetra-solvate].

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Project description:The asymmetric unit of the title complex, {[Cd2(C10H10N3O3S)2(C10H8N2)(NO3)2]·4C3H7NO} n , consists of one Cd(II) cation, one N-[2-(2-hy-droxy-benzo-yl)carbamo-thio-yl]acetamidate ligand, half a 4,4'-bipyridyl ligand, one coordinating nitrate anion and two di-methyl-formamide solvent mol-ecules of crystallization. The bipyridine ligand is completed by inversion symmetry. The metal cation exhibits a distorted penta-gonal-bipyramidal coordination geometry provided by two O and one N atoms of the thio-semicarbazide ligand, two O atoms of the nitrate anion, one S atom of a neighbouring thio-semicarbazide ligand and one 4,4'-bi-pyridine N atom. The bridging role of the thio-semicarbazide ligand through the S atom leads to centrosymmetric binuclear units, which are further linked by 4,4'-bi-pyridine units, forming polymeric chains extending along the b-axis direction. An intra-molecular N-H⋯O hydrogen bond occurs. The crystal structure also features N-H⋯O and O-H⋯O hydrogen bonds, leading to the formation of a three-dimensional network.

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